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CppCon 2017: Louis Brandy “Curiously Recurring C++ Bugs at Facebook”

https://www.youtube.com/watch?v=lkgszkPnV8g

by victorvation • 8 years ago

21 2 8 years ago

YO

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2

lainga• 8 years ago

#6 really got me (won't spoil it for anyone, but): is this the same reason arr[n] and [arr]n are the same in C? The {square,curly} braces are just sugar?

caraffle• 8 years ago

I don't think it's the same. arr[n] and [arr]n works because brackets simply expand to * (arr + n) in the first case, * (n + arr) in the second.

C++ dictates if a statement can be interpreted as a declaration, it will be (see "The most vexing parse"). Universal initialization was introduced to provide another way to ensure this doesn't happen.

https://softwareengineering.stackexchange.com/questions/1336...

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